1. Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, People’s Republic of China
2. Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, People’s Republic of China
3. College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu, People’s Republic of China
4. State Key Laboratories for Agrobiotechnology, College of biological Sciences, China Agricultural University, Beijing, People’s Republic of China